CO2电弧等离子加热器电热特性研究

doi:10.16568/j.0254-6086.202401019

核工业西南物理研究院 ›› 2024, Vol. 44 ›› Issue (1): 119-124.DOI: 10.16568/j.0254-6086.202401019

• 等离子体物理 • 上一篇

CO₂电弧等离子加热器电热特性研究

朱兴营，欧东斌*，杨国铭，曾徽，张智，文鹏

(中国航天空气动力技术研究院电弧等离子体应用装备北京市重点实验室，北京 100074)

收稿日期:2021-09-01 修回日期:2023-07-11 出版日期:2024-03-15 发布日期:2024-03-14
通讯作者: 欧东斌(1979-)，男，四川南充人，博士，研究员，主要从事气动热和热防护实验技术研究。
作者简介:朱兴营(1988-)，男，山东泰安人，硕士，高级工程师，主要从事低温热等离子体技术的应用研究。
基金资助:
国家自然科学基金(11802299)

Study on electric and thermal characteristics of CO₂ arc plasma heater

ZHU Xing-ying, OU Dong-bin, YANG Guo-ming, ZENG Hui, ZHANG Zhi, WEN Peng

(Beijing Key Laboratory of Arc Plasma Application Equipment, China Academy of Aerospace Aerodynamics, Beijing 100074)

Received:2021-09-01 Revised:2023-07-11 Online:2024-03-15 Published:2024-03-14

摘要/Abstract

摘要： 对管状阴极轴线式CO₂电弧等离子加热器的电热特性进行了实验研究，得到了电流、气体流量、励磁电流和前电极长径比对电弧加热器的伏安特性和热效率的影响规律。采用相似理论模型，对实验数据进行回归分析，得到了加热器伏安特性和热损失系数的近似表达式。研究结果发现，CO₂气体流量和电弧电流对加热器的伏安特性和热效率都具有显著的影响，前电极的长径比和励磁电流则只对热效率具有影响。电弧加热器伏安特性和热损失系数的回归公式计算值与实验数据一致性较好，伏安特性回归误差＜10.0%，热损失系数回归误差＜18.2%。

关键词: CO₂电弧等离子加热器, 伏安特性, 热效率

Abstract: The electric and thermal characteristics of the axial CO₂ arc plasma heater with tubular cathode are researched experimentally, and the effects of different parameters including the arc current, gas mass flow, excitation current and length-diameter ratio of the front electrode on volt-ampere characteristic and heat efficiency of the CO₂ arc plasma heater are obtained. Based on the experimental data, the regression analysis is carried out with the similarity theory model and approximate expressions are attained. The results show that both the volt-ampere characteristic and heat efficiency of the arc plasma heater are obviously affected by the arc current and mass flow of CO₂, while the length-diameter ratio of the front electrode and excitation current have only effects on the heat efficiency. Values calculated by the regression equation of volt-ampere characteristic and coefficient of heat losses are in good agreement with the experimental data, and regression errors of volt-ampere characteristic and coefficient of heat losses are less than10.0% and 18.2% respectively.

Key words:

CO₂arc plasma heater, Volt-ampere characteristic, Heat efficiency

中图分类号:

TL62+6

朱兴营, 欧东斌, 杨国铭, 曾徽, 张智, 文鹏. CO₂电弧等离子加热器电热特性研究[J]. 核工业西南物理研究院, 2024, 44(1): 119-124.

ZHU Xing-ying, OU Dong-bin, YANG Guo-ming, ZENG Hui, ZHANG Zhi, WEN Peng . Study on electric and thermal characteristics of CO₂ arc plasma heater[J]. Nuclear Fusion and Plasma Physics, 2024, 44(1): 119-124.

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CO₂电弧等离子加热器电热特性研究

Study on electric and thermal characteristics of CO₂ arc plasma heater

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